Finding the Fourth Proportional to 7,909,924.16, 11,864,886.12 and 3,648,831.68
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Solution
The fourth proportional to 7,909,924.16, 11,864,886.12 and 3,648,831.68 is: 5,473,247.46
Step by Step Solution
- Step 1: Write the proportion equation
7,909,924.16 : 11,864,886.12 = 3,648,831.68 : x - Step 2: Convert to fraction form
7,909,924.16/11,864,886.12 = 3,648,831.68/x - Step 3: Cross multiply
7,909,924.16x = 11,864,886.12 × 3,648,831.68 - Step 4: Simplify right side
7,909,924.16x = 43,292,972,354,248.28 - Step 5: Solve for x
x = 43,292,972,354,248.28/7,909,924.16 - Step 6: Final answer
x = 5,473,247.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.